Silvestro, John. “ACCURACY OF THE FINITE ELEMENT METHOD WITH SECOND ORDER ABSORBING BOUNDARY CONDITIONS FOR THE SOLUTION OF APERTURE RADIATION PROBLEM”. Applied Computational Electromagnetics Society Journal (ACES) 11, no. 2 (July 9, 2022): 14–23. Accessed May 13, 2026. https://journals.riverpublishers.com/index.php/ACES/article/view/17423.